13305340313 has 4 divisors (see below), whose sum is σ = 13523460708. Its totient is φ = 13087219920.

The previous prime is 13305340297. The next prime is 13305340319. The reversal of 13305340313 is 31304350331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182034064 + 13123306249 = 13492^2 + 114557^2 .

It is a cyclic number.

It is not a de Polignac number, because 13305340313 - 2⁴ = 13305340297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13305340319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109060106 + ... + 109060227.

It is an arithmetic number, because the mean of its divisors is an integer number (3380865177).

Almost surely, 2^13305340313 is an apocalyptic number.

It is an amenable number.

13305340313 is a deficient number, since it is larger than the sum of its proper divisors (218120395).

13305340313 is an equidigital number, since it uses as much as digits as its factorization.

13305340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218120394.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 13305340313 its reverse (31304350331), we get a palindrome (44609690644).

The spelling of 13305340313 in words is "thirteen billion, three hundred five million, three hundred forty thousand, three hundred thirteen".